\Can"tar\, Cantarro \Can*tar"ro\, n. [It. cantaro (in
sense 1), Sp. cantaro (in sense 2).]
1. A weight used in southern Europe and East for heavy
   articles. It varies in different localities; thus, at Rome
   it is nearly 75 pounds, in Sardinia nearly 94 pounds, in
   Cairo it is 95 pounds, in Syria about 503 pounds.
2. A liquid measure in Spain, ranging from two and a half to
   four gallons. --Simmonds.